/usr/lib/gcc-cross/aarch64-linux-gnu/7/plugin/include/tm-preds.h is in gcc-7-plugin-dev-aarch64-linux-gnu 7.3.0-16ubuntu3cross1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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from the machine description file '../../src/gcc/config/aarch64/aarch64.md'. */
#ifndef GCC_TM_PREDS_H
#define GCC_TM_PREDS_H
#ifdef HAVE_MACHINE_MODES
extern int general_operand (rtx, machine_mode);
extern int address_operand (rtx, machine_mode);
extern int register_operand (rtx, machine_mode);
extern int pmode_register_operand (rtx, machine_mode);
extern int scratch_operand (rtx, machine_mode);
extern int immediate_operand (rtx, machine_mode);
extern int const_int_operand (rtx, machine_mode);
extern int const_scalar_int_operand (rtx, machine_mode);
extern int const_double_operand (rtx, machine_mode);
extern int nonimmediate_operand (rtx, machine_mode);
extern int nonmemory_operand (rtx, machine_mode);
extern int push_operand (rtx, machine_mode);
extern int pop_operand (rtx, machine_mode);
extern int memory_operand (rtx, machine_mode);
extern int indirect_operand (rtx, machine_mode);
extern int ordered_comparison_operator (rtx, machine_mode);
extern int comparison_operator (rtx, machine_mode);
extern int cc_register (rtx, machine_mode);
extern int aarch64_call_insn_operand (rtx, machine_mode);
extern int const0_operand (rtx, machine_mode);
extern int aarch64_ccmp_immediate (rtx, machine_mode);
extern int aarch64_ccmp_operand (rtx, machine_mode);
extern int aarch64_simd_register (rtx, machine_mode);
extern int aarch64_reg_or_zero (rtx, machine_mode);
extern int aarch64_reg_or_fp_zero (rtx, machine_mode);
extern int aarch64_reg_zero_or_m1_or_1 (rtx, machine_mode);
extern int aarch64_fp_compare_operand (rtx, machine_mode);
extern int aarch64_fp_pow2 (rtx, machine_mode);
extern int aarch64_fp_vec_pow2 (rtx, machine_mode);
extern int aarch64_sub_immediate (rtx, machine_mode);
extern int aarch64_plus_immediate (rtx, machine_mode);
extern int aarch64_plus_operand (rtx, machine_mode);
extern int aarch64_pluslong_immediate (rtx, machine_mode);
extern int aarch64_pluslong_strict_immedate (rtx, machine_mode);
extern int aarch64_pluslong_operand (rtx, machine_mode);
extern int aarch64_logical_immediate (rtx, machine_mode);
extern int aarch64_logical_operand (rtx, machine_mode);
extern int aarch64_mov_imm_operand (rtx, machine_mode);
extern int aarch64_logical_and_immediate (rtx, machine_mode);
extern int aarch64_shift_imm_si (rtx, machine_mode);
extern int aarch64_shift_imm_di (rtx, machine_mode);
extern int aarch64_shift_imm64_di (rtx, machine_mode);
extern int aarch64_reg_or_shift_imm_si (rtx, machine_mode);
extern int aarch64_reg_or_shift_imm_di (rtx, machine_mode);
extern int aarch64_imm3 (rtx, machine_mode);
extern int aarch64_imm24 (rtx, machine_mode);
extern int aarch64_pwr_imm3 (rtx, machine_mode);
extern int aarch64_pwr_2_si (rtx, machine_mode);
extern int aarch64_pwr_2_di (rtx, machine_mode);
extern int aarch64_mem_pair_offset (rtx, machine_mode);
extern int aarch64_mem_pair_operand (rtx, machine_mode);
extern int aarch64_prefetch_operand (rtx, machine_mode);
extern int aarch64_valid_symref (rtx, machine_mode);
extern int aarch64_tls_ie_symref (rtx, machine_mode);
extern int aarch64_tls_le_symref (rtx, machine_mode);
extern int aarch64_mov_operand (rtx, machine_mode);
extern int aarch64_movti_operand (rtx, machine_mode);
extern int aarch64_reg_or_imm (rtx, machine_mode);
extern int aarch64_comparison_operator (rtx, machine_mode);
extern int aarch64_comparison_operator_mode (rtx, machine_mode);
extern int aarch64_comparison_operation (rtx, machine_mode);
extern int aarch64_carry_operation (rtx, machine_mode);
extern int aarch64_borrow_operation (rtx, machine_mode);
extern int aarch64_sync_memory_operand (rtx, machine_mode);
extern int vect_par_cnst_hi_half (rtx, machine_mode);
extern int vect_par_cnst_lo_half (rtx, machine_mode);
extern int aarch64_simd_lshift_imm (rtx, machine_mode);
extern int aarch64_simd_rshift_imm (rtx, machine_mode);
extern int aarch64_simd_reg_or_zero (rtx, machine_mode);
extern int aarch64_simd_struct_operand (rtx, machine_mode);
extern int aarch64_simd_general_operand (rtx, machine_mode);
extern int aarch64_simd_nonimmediate_operand (rtx, machine_mode);
extern int aarch64_simd_imm_zero (rtx, machine_mode);
extern int aarch64_simd_imm_minus_one (rtx, machine_mode);
extern int aarch64_simd_shift_imm_qi (rtx, machine_mode);
extern int aarch64_simd_shift_imm_hi (rtx, machine_mode);
extern int aarch64_simd_shift_imm_si (rtx, machine_mode);
extern int aarch64_simd_shift_imm_di (rtx, machine_mode);
extern int aarch64_simd_shift_imm_offset_qi (rtx, machine_mode);
extern int aarch64_simd_shift_imm_offset_hi (rtx, machine_mode);
extern int aarch64_simd_shift_imm_offset_si (rtx, machine_mode);
extern int aarch64_simd_shift_imm_offset_di (rtx, machine_mode);
extern int aarch64_simd_shift_imm_bitsize_qi (rtx, machine_mode);
extern int aarch64_simd_shift_imm_bitsize_hi (rtx, machine_mode);
extern int aarch64_simd_shift_imm_bitsize_si (rtx, machine_mode);
extern int aarch64_simd_shift_imm_bitsize_di (rtx, machine_mode);
extern int aarch64_constant_pool_symref (rtx, machine_mode);
#endif /* HAVE_MACHINE_MODES */
#define CONSTRAINT_NUM_DEFINED_P 1
enum constraint_num
{
CONSTRAINT__UNKNOWN = 0,
CONSTRAINT_r,
CONSTRAINT_k,
CONSTRAINT_Ucs,
CONSTRAINT_w,
CONSTRAINT_x,
CONSTRAINT_I,
CONSTRAINT_J,
CONSTRAINT_K,
CONSTRAINT_L,
CONSTRAINT_M,
CONSTRAINT_N,
CONSTRAINT_m,
CONSTRAINT_o,
CONSTRAINT_Q,
CONSTRAINT_Ump,
CONSTRAINT_Utv,
CONSTRAINT_p,
CONSTRAINT_Dp,
CONSTRAINT_Upl,
CONSTRAINT_UsO,
CONSTRAINT_UsP,
CONSTRAINT_S,
CONSTRAINT_Y,
CONSTRAINT_Ush,
CONSTRAINT_Usa,
CONSTRAINT_Uss,
CONSTRAINT_Usn,
CONSTRAINT_Usd,
CONSTRAINT_Usf,
CONSTRAINT_Ui3,
CONSTRAINT_Up3,
CONSTRAINT_Ufc,
CONSTRAINT_Uvi,
CONSTRAINT_Dn,
CONSTRAINT_Dh,
CONSTRAINT_Dq,
CONSTRAINT_Dl,
CONSTRAINT_Dr,
CONSTRAINT_Dz,
CONSTRAINT_Dd,
CONSTRAINT_Ds,
CONSTRAINT_V,
CONSTRAINT__l,
CONSTRAINT__g,
CONSTRAINT_i,
CONSTRAINT_s,
CONSTRAINT_n,
CONSTRAINT_E,
CONSTRAINT_F,
CONSTRAINT_X,
CONSTRAINT_Z,
CONSTRAINT_UsM,
CONSTRAINT_Ui1,
CONSTRAINT__LIMIT
};
extern enum constraint_num lookup_constraint_1 (const char *);
extern const unsigned char lookup_constraint_array[];
/* Return the constraint at the beginning of P, or CONSTRAINT__UNKNOWN if it
isn't recognized. */
static inline enum constraint_num
lookup_constraint (const char *p)
{
unsigned int index = lookup_constraint_array[(unsigned char) *p];
return (index == UCHAR_MAX
? lookup_constraint_1 (p)
: (enum constraint_num) index);
}
extern bool (*constraint_satisfied_p_array[]) (rtx);
/* Return true if X satisfies constraint C. */
static inline bool
constraint_satisfied_p (rtx x, enum constraint_num c)
{
int i = (int) c - (int) CONSTRAINT_I;
return i >= 0 && constraint_satisfied_p_array[i] (x);
}
static inline bool
insn_extra_register_constraint (enum constraint_num c)
{
return c >= CONSTRAINT_r && c <= CONSTRAINT_x;
}
static inline bool
insn_extra_memory_constraint (enum constraint_num c)
{
return c >= CONSTRAINT_m && c <= CONSTRAINT_Utv;
}
static inline bool
insn_extra_special_memory_constraint (enum constraint_num)
{
return false;
}
static inline bool
insn_extra_address_constraint (enum constraint_num c)
{
return c >= CONSTRAINT_p && c <= CONSTRAINT_Dp;
}
static inline void
insn_extra_constraint_allows_reg_mem (enum constraint_num c,
bool *allows_reg, bool *allows_mem)
{
if (c >= CONSTRAINT_Upl && c <= CONSTRAINT_Ds)
return;
if (c >= CONSTRAINT_V && c <= CONSTRAINT__g)
{
*allows_mem = true;
return;
}
(void) c;
*allows_reg = true;
*allows_mem = true;
}
static inline size_t
insn_constraint_len (char fc, const char *str ATTRIBUTE_UNUSED)
{
switch (fc)
{
case 'D': return 2;
case 'U': return 3;
default: break;
}
return 1;
}
#define CONSTRAINT_LEN(c_,s_) insn_constraint_len (c_,s_)
extern enum reg_class reg_class_for_constraint_1 (enum constraint_num);
static inline enum reg_class
reg_class_for_constraint (enum constraint_num c)
{
if (insn_extra_register_constraint (c))
return reg_class_for_constraint_1 (c);
return NO_REGS;
}
extern bool insn_const_int_ok_for_constraint (HOST_WIDE_INT, enum constraint_num);
#define CONST_OK_FOR_CONSTRAINT_P(v_,c_,s_) \
insn_const_int_ok_for_constraint (v_, lookup_constraint (s_))
enum constraint_type
{
CT_REGISTER,
CT_CONST_INT,
CT_MEMORY,
CT_SPECIAL_MEMORY,
CT_ADDRESS,
CT_FIXED_FORM
};
static inline enum constraint_type
get_constraint_type (enum constraint_num c)
{
if (c >= CONSTRAINT_p)
{
if (c >= CONSTRAINT_Upl)
return CT_FIXED_FORM;
return CT_ADDRESS;
}
if (c >= CONSTRAINT_m)
return CT_MEMORY;
if (c >= CONSTRAINT_I)
return CT_CONST_INT;
return CT_REGISTER;
}
#endif /* tm-preds.h */
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